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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHRISTOPHER JOHN WILLIAMSON MD
NPI 1326675208
Radiology - Radiation Oncology in Stockbridge, GA

Active since March 23, 2020PECOS Enrolled
960 HOSPITAL DR, STOCKBRIDGE, GA 30281(770) 907-0554 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 28, 2026, Mar 23, 2020 (2 updates tracked since 2020).

About Christopher John Williamson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER JOHN WILLIAMSON MD (NPI 1326675208) is an individual radiation oncology provider in Stockbridge, Georgia, licensed in Georgia (103707) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Piedmont Hospital, and is a graduate of Medical College Of Georgia School Of Medicine (2020).

NPPES Registry Identity

NPI1326675208
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameCHRISTOPHER JOHN WILLIAMSONCredential: MD
Location Address960 HOSPITAL DRStockbridge, GA 30281-7345
Mailing Address960 Hospital DrStockbridge, GA 30281-7345 · (770) 907-0554
Phone(770) 907-0554
Sole ProprietorYes
Medical School CMSMedical College Of Georgia School Of MedicineGraduated 2020
Enumeration DateMarch 23, 2020
Last NPPES UpdateJuly 28, 20262 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1326675208 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in GA · 103707
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
960 HOSPITAL DR, Stockbridge, GA 30281
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christopher John Williamson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1456781525
PECOS Enrollment IDI20250606003571
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Piedmont Hospital

Acute Care Hospitals · Atlanta, GA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110083
Location1968 Peachtree Rd NWAtlanta, GA 30309 · Fulton County
Emergency services Birthing friendly

Piedmont Henry Hospital

Acute Care Hospitals · Stockbridge, GA
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110191
Location1133 Eagle's Landing ParkwayStockbridge, GA 30281 · Henry County
Emergency services Birthing friendly

Piedmont Fayette Hospital

Acute Care Hospitals · Fayetteville, GA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110215
Location1255 Highway 54 WestFayetteville, GA 30214 · Fayette County
Emergency services Birthing friendly

Piedmont Newnan Hospital, Inc

Acute Care Hospitals · Newnan, GA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110229
Location745 Poplar RoadNewnan, GA 30265 · Coweta County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30281 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$172.43 typical visit price
range $56.84 – $172.43
Typical copayment $43.10 (range $14.21 – $43.10)
Most-billed visit code 99205
Established Patient
$70.85 typical visit price
range $18.22 – $140.40
Typical copayment $17.71 (range $4.55 – $35.10)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KIM VU NEISLER MD
Radiology (Radiation Oncology)
960 HOSPITAL DR
STOCKBRIDGE, GA 30281
Henry County (678) 251-1099
HENRY RADIATION ONCOLOGY CENTER, LLC
Radiology (Radiation Oncology)
960 HOSPITAL DR
STOCKBRIDGE, GA 30281
Henry County (770) 907-0554

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Williamson's NPI number?

The NPI number for Christopher Williamson is 1326675208. It was assigned to this individual provider in the NPPES registry on March 23, 2020.

Where is Christopher Williamson located?

Christopher Williamson practices at 960 Hospital Dr, Stockbridge, GA 30281. The listed phone number is (770) 907-0554.

What is Christopher Williamson's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Christopher Williamson enrolled in Medicare?

Yes. Christopher Williamson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Christopher Williamson affiliated with any hospitals?

According to CMS data, Christopher Williamson is affiliated with Piedmont Hospital, Piedmont Henry Hospital, Piedmont Fayette Hospital and Piedmont Newnan Hospital, Inc.

When was this NPI record last updated?

The NPPES record for Christopher Williamson was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.